# Muhammad Usman

### School of Mathematics & Statistics

PhD (Scholar) Mathematics

**Statistics**

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**Content Feed**

Question

What's the problem with this simple anonymous function?

Here's an simple code: clear all; clc; close all; n = 1:3; for i = 1:numel(n) %numel is used if someother time I'll use negat...

18 days ago | 1 answer | 0

### 1

answerSolved

Pizza!

Given a circular pizza with radius _z_ and thickness _a_, return the pizza's volume. [ _z_ is first input argument.] Non-scor...

2 months ago

Question

How to adjust initial condition to nondimensionalization of coupled ODE?

Here is the code for dimenional and non-dimensional form of coupled ODEs using ode45, but both results are not agreeing. Please ...

6 months ago | 0 answers | 0

### 0

answersQuestion

ODE solution using Fourier series

Hello, I am trying to solve first order ode () using Fourier Series. I wrote the code, but I was doing something, please idetif...

7 months ago | 1 answer | 0

### 1

answerQuestion

Calling Euler Method to solve Shooting Method

Hi, I am trying to solve a BVP: y''(x) +5y'(x)+4y(x) = 1 with boundary conditions y(0) = 0 and y(1)=1 using shooting method. ...

7 months ago | 1 answer | 0

### 1

answerQuestion

How to correct the regenerated plot of given analytical solution of ODE?

for for The analytical solution for this ODE is given belown and written as MATLAB in code routine: for t = -log(1-a)...

7 months ago | 0 answers | 0

### 0

answersQuestion

Addition of numbers in array as string

I am following these lines of code, but generating error when I do: x = randi([0,9],1,20); y = randi([0,9],1,20); x_new = st...

10 months ago | 1 answer | 0

### 1

answerQuestion

Addition of numbers in array

Lets' say I have 2 vectors: x = [7 4 6]; y = [1 4 4]; But these are not just vector consider them as A number, i.e., 746 and ...

10 months ago | 1 answer | 0

### 1

answerQuestion

Plot with smaller variation in input argument under user defined function?

I am stuck with a smaller concept that How to Plot with smaller variation in input argument under user defined function? For ex...

10 months ago | 1 answer | 0

### 1

answerQuestion

How to save last three values from for loop?

I just got stuck to save the last three values of r from the for loop, please help me in this regard. yl = 1; rl = [0, yl] ; ...

10 months ago | 1 answer | 0

### 1

answerSolved

Determine the square root

Determine the square root of the value the user has entered, n.

1 year ago

Solved

Sum of the Multiplication of Vectors

Given the vectors x and y as input, multiply the vectors and return the summation of its elements. Example: x = [1 2 ...

1 year ago

Solved

Given area find sides

In a right angle triangle given area 'A' one arm=x, another arm=2x then find the value of x. For example, area A=400 then ...

1 year ago

Solved

Area of an Isoceles Triangle

An isosceles triangle has equal sides of length x and a base of length y. Find the area, A, of the triangle. <<http://upload...

1 year ago

Solved

Times 2 - START HERE

Try out this test problem first. Given the variable x as your input, multiply it by two and put the result in y. Examples:...

1 year ago

Problem

Find the remainder with the factorial of PRIMES?

* Take a number greater than or equal to 2 and take its primes. e.g. 6 and its primes are 2 3 5 * calculate the factorial of i...

1 year ago | 0 | 8 solvers

Solved

Project Euler: Problem 10, Sum of Primes

The sum of the primes below 10 is 2 + 3 + 5 + 7 = 17. Find the sum of all the primes below the input, N. Thank you <http:/...

1 year ago

Solved

Mysterious digits operation (easy)

What is this digit operation? 0 -> 0 1 -> 9 121 -> 9 44 -> 6 15 -> 5 1243 -> 7 ...

1 year ago

Solved

Find nearest prime number less than input number

Find nearest prime number less than input number. For example: if the input number is 125, then the nearest prime number whi...

1 year ago

Solved

Replace Vector Elements

Replace all elements in a vector which are equal to or smaller than zero with 0.1. Example: A = [1 2 3 -1 0 2 -3 -80]; ...

1 year ago

Solved

Reverse the elements of an array

Reverse the order of elements in an array: eg: input X = [ 1 2 3 ; 4 5 6 ; 7 8 9 ] o...

1 year ago

Solved

Convert a vector into numbers

Suppose a vector x = [ 1 2 4 7] is given. You have to convert this vector into string number y = '1247'. Examples x = [ 1...

1 year ago

Solved

Integer or Float?

Test an input to see whether it is an integer or a floating point number. If it is an integer return 1 for 'true'. Otherwise ret...

1 year ago

Solved

Sum of the Matrix Elements

Add up all the elements in a NxM matrix where N signifies the number of the rows and M signifies the number of the columns. E...

1 year ago

Solved

Are you in XY plane?

Take a point P as an input position Vector (x,y,z). If you are in XY plane, return 1 as an output otherwise return 0. Example...

1 year ago

Solved

02 - Vector Variables 3

Make the following variable: <<http://samle.dk/STTBDP/Assignment1_2c.png>> (all the numbers from 5 to -5 in increments of ...

1 year ago

Solved

Duplicate each element of a vector.

for an n-dimensional vector x, the function should return another vector 2n-dimension which each element is repeated twice. Ex...

1 year ago

Solved

Complex number

For complex number c=a+bi, write code that will add a and b together.

1 year ago